Domain structure of tetragonal Pb(Zr,Ti)O3 nanorods and its size dependence

Tomoaki Yamada; Daisuke Ito; Osami Sakata; Junki Kuroishi; Takahiro Namazu; Yasuhiko Imai; Takahisa Shiraishi; Takao Shimizu; Hiroshi Funakubo; Masahito Yoshino; Takanori Nagasaki

doi:10.7567/JJAP.54.10NA07

Domain structure of tetragonal Pb(Zr,Ti)O₃ nanorods and its size dependence

Tomoaki Yamada, Daisuke Ito, Osami Sakata, Junki Kuroishi, Takahiro Namazu, Yasuhiko Imai, Takahisa Shiraishi, Takao Shimizu, Hiroshi Funakubo, Masahito Yoshino, Takanori Nagasaki

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

We fabricated {100} Pb(Zr_0.35Ti_0.65)O₃ (PZT) nanorods by partly etching a film grown on a Nb-doped SrTiO₃ substrate using a focused ion beam, followed by annealing to recover the etching damage and promote the formation of a stable domain structure in the form of nanorods. The application of synchrotron micro-X-ray diffraction enabled the detection of the diffraction intensity from a single nanorod, which allowed us to clarify the size dependence of the domain structure of the fabricated nanorods. We found that the a-domain fraction in the tetragonal PZT nanorods decreased with decreasing rod width and that an exclusively c-domain structure was formed in nanorods of ≤1 μm width. The preferred formation of the c-domain in these nanorods can be rationalized in terms of the large depolarizing field in the a-domain and/or the in-plane compressive strain near the PZT/substrate interface.

Original language	English
Article number	10NA07
Journal	Japanese journal of applied physics
Volume	54
Issue number	10
DOIs	https://doi.org/10.7567/JJAP.54.10NA07
Publication status	Published - 2015 Oct 1
Externally published	Yes

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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Domain structure of tetragonal Pb(Zr,Ti)O₃ nanorods and its size dependence. / Yamada, Tomoaki; Ito, Daisuke; Sakata, Osami; Kuroishi, Junki; Namazu, Takahiro; Imai, Yasuhiko; Shiraishi, Takahisa; Shimizu, Takao; Funakubo, Hiroshi; Yoshino, Masahito; Nagasaki, Takanori.

In: Japanese journal of applied physics, Vol. 54, No. 10, 10NA07, 01.10.2015.

Research output: Contribution to journal › Article › peer-review

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abstract = "We fabricated {100} Pb(Zr0.35Ti0.65)O3 (PZT) nanorods by partly etching a film grown on a Nb-doped SrTiO3 substrate using a focused ion beam, followed by annealing to recover the etching damage and promote the formation of a stable domain structure in the form of nanorods. The application of synchrotron micro-X-ray diffraction enabled the detection of the diffraction intensity from a single nanorod, which allowed us to clarify the size dependence of the domain structure of the fabricated nanorods. We found that the a-domain fraction in the tetragonal PZT nanorods decreased with decreasing rod width and that an exclusively c-domain structure was formed in nanorods of ≤1 μm width. The preferred formation of the c-domain in these nanorods can be rationalized in terms of the large depolarizing field in the a-domain and/or the in-plane compressive strain near the PZT/substrate interface.",

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AU - Sakata, Osami

AU - Kuroishi, Junki

AU - Namazu, Takahiro

AU - Imai, Yasuhiko

AU - Shiraishi, Takahisa

AU - Shimizu, Takao

AU - Funakubo, Hiroshi

AU - Yoshino, Masahito

AU - Nagasaki, Takanori

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